body {
    padding-left: 800px;
}

div.service {
    position: relative;
    width: 100px;
    &:hover>.list{
        display: block;
    }
    &:hover>.btn{
        border-bottom: none;
    }
    .btn {
        position: relative;
        border: solid 1px #ddd;
        padding: 10px;
        color: #aaa;
        cursor: pointer;
        top:1.5px;
        height: 40px;
        text-align: center;
        background-color: white;
    }
    .list {
        display: none;
        transition: 2s;
        width: 200px;
        border: solid 1px #ddd;
        position: absolute;
        right: 0;
        padding: 10px;
        z-index: -1;
        .client{
            h3 {
                color: #333;
                font-weight: bold;
            }
            a {
                text-decoration: none;
                display: inline-block;
                padding: 5px;
                padding-left: 0;
                margin-right: 10px;
                color: #aaa;
            }
        }
        .merchant{
            h3 {
                color: #333;
                font-weight: bold;
            }
            a {
                text-decoration: none;
                display: inline-block;
                padding: 5px;
                padding-left: 0;
                margin-right: 10px;
                color: #aaa;
            }
        }
    }
}